CN220465108U - Multifunctional teaching drawing rule - Google Patents
Multifunctional teaching drawing rule Download PDFInfo
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- CN220465108U CN220465108U CN202321774890.2U CN202321774890U CN220465108U CN 220465108 U CN220465108 U CN 220465108U CN 202321774890 U CN202321774890 U CN 202321774890U CN 220465108 U CN220465108 U CN 220465108U
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- drawing rule
- rule
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- fixedly arranged
- sliding
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- 230000007246 mechanism Effects 0.000 claims abstract description 44
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 230000000694 effects Effects 0.000 description 3
- 238000005259 measurement Methods 0.000 description 3
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
Abstract
The utility model relates to the technical field of teaching aids and discloses a multifunctional teaching drawing rule, which comprises a first drawing rule, a positioning shaft mechanism and a lengthening rule mechanism, wherein the positioning shaft mechanism is rotatably arranged at a position close to one side of the front end face of the first drawing rule, the positioning shaft mechanism comprises a first sliding groove, the first sliding groove is arranged at a position far away from one side of the lengthening rule mechanism in the first drawing rule, a first sliding strip is slidably arranged in the first sliding groove, a rotating shaft is fixedly arranged at the inner side of the first sliding strip, an elastic fold ring is fixedly arranged on the upper end face of the rotating shaft, and a pressing plate is fixedly arranged on the upper end face of the elastic fold ring. In the utility model, the first drawing rule is placed on the blackboard, the pressing plate is pressed to enable the T-shaped column to drive the sucker to move towards the direction of the blackboard, so that the sucker sucks the blackboard, and the chalk mark is used for driving the drawing rule to enable the first sliding bar to rotate in the first sliding groove, so that a standard circle can be drawn, daily teaching drawing is facilitated, and the blackboard is convenient to carry.
Description
Technical Field
The utility model relates to the technical field of teaching aids, in particular to a multifunctional teaching drawing rule.
Background
The drawing rule is a teaching aid for teachers to draw a plurality of common and regular geometric figures, is a tool generic name for drawing figures, is an indispensable drawing tool for mathematical teachers in the mathematical teaching process, and is often used when teaching lessons due to the fact that more figures are involved.
When the drawing rule is used in mathematical education, a plurality of teaching aids such as ruler compasses are generally combined for use, the specification of the drawing rule is single, a teacher needs to carry various drawing rules into a classroom before teaching, the size of the drawing rule needs to be matched with the size of a blackboard, so that the common drawing rule is large, the daily carrying of the drawing rule by the teacher is inconvenient, the flexibility of the drawing rule is poor, and the drawing rule is single for use.
Accordingly, a person skilled in the art provides a multifunctional teaching drawing rule to solve the above-mentioned problems in the background art.
Disclosure of Invention
The utility model aims to solve the defects in the prior art, and provides a multifunctional teaching drawing rule, which is characterized in that a positioning shaft mechanism is arranged, a first drawing rule is placed on a blackboard, a pressing plate is pressed to enable a T-shaped column to drive a sucker to move towards the blackboard, so that the sucker absorbs the blackboard, a proper position is found on the drawing rule according to the required drawn round radius, a chalk mark is used for driving the drawing rule to enable the first sliding bar to rotate in a first sliding groove, so that a standard round shape can be drawn, the drawing rule is convenient to use in daily teaching, the teaching drawing quality can be effectively improved, the second drawing rule can be unscrewed through the second sliding bar and the second sliding groove when the length of drawing is required to be measured or is longer, the length of the drawing rule is prolonged, the limiting bolt is screwed, the second drawing rule is prevented from moving to reduce the measurement accuracy when the overlong length is not required to be measured, the second drawing rule is required to be moved into the first drawing rule, the use space of the drawing rule can be saved, the drawing rule is convenient to carry, and the practicability is improved.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the multifunctional teaching drawing rule comprises a first drawing rule, a positioning shaft mechanism and a lengthening rule mechanism, wherein the positioning shaft mechanism is rotationally arranged at a position close to one side of the front end face of the first drawing rule, the lengthening rule mechanism is embedded into the first drawing rule and is arranged at a position far away from one side of the positioning shaft mechanism, the positioning shaft mechanism comprises a first sliding groove, the first sliding groove is formed in the first drawing rule and is arranged at a position far away from one side of the lengthening rule mechanism, a first sliding bar is slidably arranged in the first sliding groove, a rotating shaft is fixedly arranged on the inner side of the first sliding bar, an elastic fold ring is fixedly arranged on the upper end face of the rotating shaft, a pressing plate is fixedly arranged on the upper end face of the elastic fold ring, a T-shaped column is fixedly arranged at the central position of the lower end face of the pressing plate, a sucking disc is fixedly arranged on the lower end face of the T-shaped column, the lengthening rule mechanism comprises a second drawing rule, the second sliding bar is movably embedded into the inner position of the first drawing rule, a limit bolt is sleeved on the upper end face of the first drawing rule and the lower end face of the first drawing rule and is fixedly arranged at a position far away from one side of the positioning shaft mechanism, and two limit bolts are respectively arranged at the two second sliding grooves;
through the technical scheme, when the length to be measured is overlong, the position of the second drawing rule on the first drawing rule is adjusted by unscrewing the limit bolt, so that the measuring distance can be lengthened, the second drawing rule is fixed by screwing the limit bolt, the second drawing rule is prevented from moving in use, when a circle is required to be drawn, the rear end face of the first drawing rule is clung to a blackboard, the pressing plate is pressed towards the direction of the blackboard, the elastic fold ring has elasticity, the T-shaped column is enabled to drive the sucker to move towards the direction of the blackboard, the sucker is enabled to suck the blackboard, the first drawing rule is rotated at a proper position by using a chalk mark, the chalk can conveniently draw a circle along with the rotation of the first drawing rule, and the influence of the movement of the first drawing rule on the drawing effect is prevented when the circle is used.
Further, a plurality of round holes are formed in the front end face of the second drawing rule in a penetrating mode;
through the technical scheme, the round holes can facilitate insertion of chalks and facilitate drawing of circles and other figures with different radiuses.
Further, a second scale mark is fixedly arranged at a position, close to the lower position, of the front end face of the second drawing rule;
through the technical scheme, the second scale mark is convenient for measuring the length and the radius of the circle in daily teaching.
Further, a first scale line is fixedly arranged at a position, close to the lower position, of the front end face of the first drawing rule;
through above-mentioned technical scheme, the length is measured in the daily teaching of being convenient for of first scale mark.
Further, the upper end face of the limit bolt is fixedly provided with a hand-held strip;
through the technical scheme, the handheld strip is larger than the bolt cap of the limit bolt, and the limit bolt can be conveniently rotated, so that the position of the second drawing rule can be conveniently fixed.
Further, one end of the T-shaped column far away from the pressing plate penetrates through the rotating shaft to penetrate through the outer position of the rotating shaft, and the T-shaped column is movably arranged at the inner side position of the rotating shaft;
through the technical scheme, the T-shaped column can conveniently move up and down, so that the sucker is conveniently pressed.
Further, the end surfaces of the opposite sides of the two second sliding strips are fixedly provided with protruding blocks at the positions close to one side of the positioning shaft mechanism, and limiting blocks are fixedly arranged at the positions close to the two second sliding grooves and at one side far from the positioning shaft mechanism;
through above-mentioned technical scheme, the setting of lug and stopper can prevent that the second draw rule from dropping from the inside slip of second spout of second draw bar.
The utility model has the following beneficial effects:
1. according to the multifunctional teaching drawing rule, the positioning shaft mechanism is arranged, the first drawing rule is placed on the blackboard, the pressing plate is pressed, the T-shaped column drives the sucker to move towards the direction of the blackboard, the sucker is enabled to suck the blackboard, a proper position is found on the drawing rule according to the round radius required to be drawn, the drawing rule is driven by the chalk mark, the first sliding bar is enabled to rotate in the first sliding groove, and therefore a standard round can be drawn, convenience is brought to the use of drawing diversity in daily teaching, portability is achieved, and teaching drawing quality can be effectively improved.
2. According to the multifunctional teaching drawing rule, the lengthening rule mechanism and the limiting bolt are arranged, when the length of drawing is required to be measured or is longer, the limiting bolt can be unscrewed, the second drawing rule can be moved through the second sliding bar and the second sliding groove, the length of the drawing rule is prolonged, the limiting bolt is screwed, the reduction of measurement accuracy caused by movement of the second drawing rule in use is prevented, when the overlong length is not required to be measured, the second drawing rule can be retracted into the first drawing rule, the use space of the drawing rule can be saved, the carrying is convenient, and the practicability of the drawing rule is improved.
Drawings
FIG. 1 is an isometric view of the present utility model;
FIG. 2 is a schematic front cross-sectional view of the present utility model;
FIG. 3 is a schematic cross-sectional view of the C-C of the present utility model;
FIG. 4 is a schematic view of the utility model in section D-D;
FIG. 5 is an enlarged schematic view of the utility model at A;
FIG. 6 is an enlarged schematic view of the present utility model at B.
Legend description:
1. a first drawing rule; 2. a positioning shaft mechanism; 201. a first slide bar; 202. a T-shaped column; 203. pressing the plate; 204. an elastic crimp ring; 205. a first chute; 206. a suction cup; 207. a rotating shaft; 3. a lengthening rule mechanism; 301. a second slide bar; 302. a round hole; 303. a second drawing rule; 304. a second chute; 305. a bump; 306. a limiting block; 4. a limit bolt; 5. a first scale line; 6. a second graduation mark; 7. a hand-held strip.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1-6, one embodiment provided by the present utility model is: the utility model provides a multi-functional teaching drawing rule, including first drawing rule 1, location axle mechanism 2 and extension rule mechanism 3, location axle mechanism 2 rotates to set up in first drawing rule 1 preceding terminal surface lean on one side position, extension rule mechanism 3 embedding sets up in first drawing rule 1 inside keep away from location axle mechanism 2 one side position, location axle mechanism 2 includes first spout 205, first spout 205 is seted up in first drawing rule 1 inside keep away from extension rule mechanism 3 one side position, first spout 205 inside slip is provided with first draw runner 201, first spout 205 and first draw runner 201 are the annular design, be convenient for location axle mechanism 2 to rotate.
The inside fixed axis of rotation 207 that is provided with of first draw runner 201, axis of rotation 207 up end is fixed to be provided with elasticity fold ring 204, and elasticity fold ring 204 has certain elasticity, makes things convenient for T type post 202 to remove to sucking disc 206 direction, and elasticity fold ring 204 up end is fixed to be provided with press plate 203, and press plate 203 lower terminal surface central point puts fixed T type post 202 that is provided with, and T type post 202 lower terminal surface is fixed to be provided with sucking disc 206, and the T type structure of T type post 202 is convenient for give sucking disc 206 certain pressure, thereby sucking disc 206 pulls T type post 202 after the sucking disc 206 uses to remove from the blackboard.
The lengthening rule mechanism 3 comprises a second drawing rule 303, the second drawing rule 303 is movably embedded in the inner position of the first drawing rule 1, the upper end face and the lower end face of the second drawing rule 303 are fixedly provided with second sliding strips 301, a limit bolt 4 is sleeved on one side of the upper end face of the first drawing rule 1, which is far away from the positioning shaft mechanism 2, in a threaded manner, the positions of the first drawing rule 1, which are close to the two second sliding strips 301, are provided with second sliding grooves 304, and the two second sliding strips 301 are respectively arranged in the two second sliding grooves 304 in a sliding manner.
When the length that needs to be measured is overlong, unscrewing the position of the adjustable second drawing rule 303 of limit bolt 4 on first drawing rule 1, screw limit bolt 4 can fix second drawing rule 303, prevent that second drawing rule 303 from moving in use, thereby can lengthen measuring distance, after using, draw second drawing rule 303 back can, can effectively practice thrift the usage space, need not take unnecessary teaching aid when the teaching, improve drawing rule's convenience, when needing to draw the circle, hug closely the blackboard with first drawing rule 1 rear end face, press the push plate 203 to the blackboard direction, elasticity fold ring 204 has elasticity, thereby make T type post 202 drive sucking disc 206 to blackboard direction removal, make sucking disc 206 hold the blackboard, rotate first drawing rule 1 with the chalk mark in suitable position, the chalk follows first drawing rule 1 and rotates so can conveniently draw the circle, prevent that first drawing rule 1 removes when using from influencing the drawing effect, make things convenient for the teacher to give lessons and carry.
The front end face of the second drawing rule 303 is provided with a plurality of round holes 302 in a penetrating mode, the round holes 302 can facilitate chalk insertion, the round holes 302 are arranged at different positions and are convenient for drawing circles and other figures with different radiuses, the second graduation line 6 is fixedly arranged at the position, close to the lower position, of the front end face of the second drawing rule 303, the second graduation line 6 is convenient for measuring the length and the radius of the circle in daily teaching, the first graduation line 5 is fixedly arranged at the position, close to the lower position, of the front end face of the first drawing rule 1, the first graduation line 5 is convenient for measuring the length in daily teaching, the second graduation line 6 is matched with the first graduation line 5, the length with longer distance can be measured and drawn, the upper end face of the limiting bolt 4 is fixedly provided with the handheld strip 7, the handheld strip 7 is larger than the bolt cap of the limiting bolt 4, the limiting bolt 4 can be conveniently rotated, accordingly the position of the second drawing rule 303 is conveniently fixed, the width of the handheld strip 7 is slightly smaller than the width of the first drawing rule 1, the second drawing rule 303 is fixed, the length is convenient to be parallel to the first drawing rule 1 in daily teaching, and the daily measurement in the teaching cannot be affected.
One end of the T-shaped column 202 far away from the pressing plate 203 penetrates through the rotating shaft 207 to the outside position of the rotating shaft 207, the T-shaped column 202 is movably arranged at the inner side position of the rotating shaft 207, the T-shaped column 202 can conveniently move up and down, the sucking disc 206 is conveniently pressed, the positions of the opposite side end faces of the two second sliding strips 301, close to the positioning shaft mechanism 2, are fixedly provided with the convex blocks 305, the positions of the first drawing rule 1, close to the two second sliding grooves 304, far away from the positioning shaft mechanism 2 are fixedly provided with the limiting blocks 306, and the second sliding strips 301 can be prevented from sliding out from the inside of the second sliding grooves 304 due to the arrangement of the convex blocks 305 and the limiting blocks 306, so that the second drawing rule 303 is prevented from falling.
Working principle: when the length that needs to be measured is overlong, thereby unscrew limit bolt 4 and adjust the position of second drawing rule 303 on first drawing rule 1, screw limit bolt 4 and fix second drawing rule 303, prevent that second drawing rule 303 from moving in use, thereby can lengthen measuring distance, after using, second drawing rule 303 is withdrawn and can, can effectively practice thrift the usage space, need not take unnecessary teaching aid in the time of the teaching, improve the convenience of drawing rule, when needing to draw the circle, press the pressing plate 203 to blackboard orientation with first drawing rule 1 rear end face, elasticity fold ring 204 has elasticity, thereby make T type post 202 drive sucking disc 206 to blackboard orientation removal, make sucking disc 206 hold the blackboard, rotate first drawing rule 1 with the chalk mark in suitable position, the chalk follows first drawing rule 1 and rotates so can conveniently draw the circle, prevent that first drawing rule 1 removes when using influences the effect, conveniently the teacher carries.
Finally, it should be noted that: the foregoing description is only illustrative of the preferred embodiments of the present utility model, and although the present utility model has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements or changes may be made without departing from the spirit and principles of the present utility model.
Claims (7)
1. The utility model provides a multi-functional teaching drawing rule, includes first drawing rule (1), location axle mechanism (2) and extension chi mechanism (3), its characterized in that: the positioning shaft mechanism (2) is rotatably arranged at a position close to one side of the front end face of the first drawing rule (1), and the lengthening rule mechanism (3) is embedded into the first drawing rule (1) at a position far away from the positioning shaft mechanism (2);
the positioning shaft mechanism (2) comprises a first sliding groove (205), the first sliding groove (205) is formed in the first drawing rule (1) and is far away from the position on one side of the lengthening rule mechanism (3), a first sliding bar (201) is arranged in the first sliding groove (205) in a sliding mode, a rotating shaft (207) is fixedly arranged on the inner side of the first sliding bar (201), an elastic fold ring (204) is fixedly arranged on the upper end face of the rotating shaft (207), a pressing plate (203) is fixedly arranged on the upper end face of the elastic fold ring (204), a T-shaped column (202) is fixedly arranged in the center of the lower end face of the pressing plate (203), and a sucker (206) is fixedly arranged on the lower end face of the T-shaped column (202);
the lengthening rule mechanism (3) comprises a second drawing rule (303), the second drawing rule (303) is movably embedded in the inner position of the first drawing rule (1), and second sliding strips (301) are fixedly arranged on the upper end face and the lower end face of the second drawing rule (303);
the first drawing rule (1) up end is kept away from location axle mechanism (2) one side position thread bush and is equipped with spacing bolt (4), second spout (304) have all been seted up to first drawing rule (1) be close to two second slide (301) positions, and two second slide (301) are slided respectively and are set up in two second spouts (304) inside.
2. A multi-purpose teaching drawing rule according to claim 1, characterized in that: the front end face of the second drawing rule (303) is provided with a plurality of round holes (302) in a penetrating mode.
3. A multi-purpose teaching drawing rule according to claim 1, characterized in that: and a second scale mark (6) is fixedly arranged at the position, close to the lower position, of the front end surface of the second drawing rule (303).
4. A multi-purpose teaching drawing rule according to claim 1, characterized in that: a first scale mark (5) is fixedly arranged at the position, close to the lower position, of the front end face of the first drawing rule (1).
5. A multi-purpose teaching drawing rule according to claim 1, characterized in that: the upper end face of the limit bolt (4) is fixedly provided with a hand-held strip (7).
6. A multi-purpose teaching drawing rule according to claim 1, characterized in that: one end of the T-shaped column (202) far away from the pressing plate (203) penetrates through the rotating shaft (207) to be penetrated to the outer position of the rotating shaft (207), and the T-shaped column (202) is movably arranged at the inner side position of the rotating shaft (207).
7. A multi-purpose teaching drawing rule according to claim 1, characterized in that: the end faces of the opposite sides of the two second sliding strips (301) are fixedly provided with protruding blocks (305) close to one side of the positioning shaft mechanism (2), and the positions of the first drawing rule (1) close to the two second sliding grooves (304) are fixedly provided with limiting blocks (306) away from one side of the positioning shaft mechanism (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321774890.2U CN220465108U (en) | 2023-07-07 | 2023-07-07 | Multifunctional teaching drawing rule |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321774890.2U CN220465108U (en) | 2023-07-07 | 2023-07-07 | Multifunctional teaching drawing rule |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220465108U true CN220465108U (en) | 2024-02-09 |
Family
ID=89774431
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321774890.2U Active CN220465108U (en) | 2023-07-07 | 2023-07-07 | Multifunctional teaching drawing rule |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220465108U (en) |
-
2023
- 2023-07-07 CN CN202321774890.2U patent/CN220465108U/en active Active
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